{"id":"CVE-2026-43783","title":"A race condition was addressed with improved locking","summary":"A race condition was addressed with improved locking. This issue is fixed in macOS Tahoe 26.6. A malicious app may be able to gain root privileges.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-362"],"vendor":"apple","product":"macos","affected":["macos < 26.6"],"patched":["macos 26.6"],"published":"2026-09-14","updated":"2026-09-15","sourceUpdated":"2026-09-15T19:24:16.433","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-43783","references":[{"url":"https://support.apple.com/en-us/128067","label":"product-security@apple.com"}],"tags":["nvd","exploit-available","cve.org"],"epss":0.00153,"epssPercentile":0.04823,"exploits":{"github":1,"githubRepos":["https://github.com/andrd3v/CVE-2026-43783"],"checkedAt":"2026-09-21T15:28:57.333Z"},"exploitAvailable":true,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-09-14T22:28:25.392511Z"},"ingestedAt":"2026-09-14T21:15:17.486Z","slug":"CVE-2026-43783","body":"## Overview\n\nA race condition was addressed with improved locking. This issue is fixed in macOS Tahoe 26.6. A malicious app may be able to gain root privileges.\n\n## Affected\n\n- `macos < 26.6`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `macos 26.6`","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":203446,"id":"CVE-2026-43783","ts":1789446059640,"field":"exploit_available","old":"false","new":"true"},{"seq":203403,"id":"CVE-2026-43783","ts":1789427860801,"field":"cvss","old":null,"new":"7.8"},{"seq":203402,"id":"CVE-2026-43783","ts":1789427860801,"field":"severity","old":"none","new":"high"}]}